The 30 hardest games ever, from Bloodborne to Battletoads

Ask any 80s gamer what their enduring memory from Ghosts 'N Goblins (1985, arcade, NES, C64) and their answer will probably be of hero Sir Arthur charging around in his pants desperately trying to avoid yet another crushing defeat. Merciless enemies, a strict time limit and a final boss that is "a trap devised by Satan" himself, GnG remains one of the toughest side-scrolling platformers out there. And that's saying something.